Crimps come down to two things: the conductor size you’re working with and the finish the job needs. Insulated versions are usually the quick pick for general terminations, while uninsulated types suit tighter spaces or a more compact connection. Ring crimps hold where the fixing must stay put. Spade and fork styles make removal easier later. If you’re matching existing work, check the format first - that’s where most call-backs start.
Boot Lace Ferrule - 0.75mm² 600V Blue 100 Pack
Blue boot lace ferrule, 0.75mm², 600V, pack of 100
Your Esssentials Copper Uninsulated Cable Lugs Flared Entry - 150mm² 8mm hole
Copper uninsulated cable lug for 150 mm² conductor, 8 mm stud hole
Your Esssentials Insulated Crimp Terminal Fork - 5.3mm yellow
Yellow insulated fork crimp terminal, 5.3mm, rated up to 600V
Your Esssentials Insulated Crimp Terminal Piggy Back Spade - 6.3mm Yellow
6.3mm yellow piggy back spade insulated crimp terminal
Unicrimp Copper Tube Lug - 8mm 10 Pack
8mm copper tube lug, pack of 10.
Crimp Terminal Female Bullet - 4mm, 0.5mm²-1.5mm², 10A, Red, 100 Pack
Red 4mm female bullet crimp terminal, 10A, pack of 100
SWA Tube Terminal - 50mm M8 Copper
SWA 50mm M8 copper tube terminal for secure cable connections
Unicrimp QRB Pre-Insulated Butt Connector - Red 100 Pack
Red pre-insulated butt connectors, pack of 100
SWA Tube Terminal - 95mm M8 Copper
95mm² copper tube terminal, M8 stud, with inspection window
Your Esssentials Insulated Crimp Terminal Red Ring - 10.5mm
Red insulated ring crimp terminal, 10.5mm ring
Start with the space you’ve got and how the connection needs to sit. In a crowded enclosure or tight panel, smaller crimps save grief because bulky sleeves and oversized barrels get in the way. If the termination may be disturbed, pick a form that stays put. If it needs to come off again, choose the layout that gives you access without fighting the fixing. Most call-backs I’ve seen come from the wrong size or a poor match to the job, not the crimp itself.
Insulated and uninsulated crimps are usually the first split. Insulated versions suit quicker general terminations, with the sleeve taking some of the strain. Uninsulated crimps are the neater choice when space is tight or you are finishing inside a panel.
After that, the terminal shape does the real sorting. Ring crimps hold the fixing in place. Spade or fork crimps make more sense when you may need to lift the connection again. Cable crimps, wire crimps and electrical crimps are the main formats you are choosing between, and crimp connectors are the broader label when you want a straight join rather than a fixed terminal. If you are matching a job out across Cable & Cable Management, that is the point to narrow it down. The wrong layout usually causes the comeback, not the crimp itself.
Start with conductor size and the finish you need. Then check how much room you’ve got, and whether the joint needs to stay fixed or come off again.
Insulated crimps give quicker identification and a bit of protection around the barrel. Uninsulated types suit tighter spaces or a neater assembly where every millimetre matters.
Ring crimps stay put on a fixed point. Spade crimps make more sense when the connection may need to come off later.
If the job sits in conduit or a tighter run, Metal Conduit & Accessories can push you towards slimmer terminals. Check Cable before you order as well. A poor match there is what usually brings the call-back, not the crimp.
Once you’ve picked the crimps, the next call is what finishes the run and keeps the job tidy. If the cable is still exposed, you are usually into cable management, cable sleeving or cable ties rather than more connectors.
Where the run passes through metalwork, glands and grommets matter more than another terminal. On bigger jobs, label printing saves time at test and handover, and electrical tape still gets used for marking and dressing. Most of the comeback comes from the surrounding finish being left loose, not the crimp itself.









